################################
#	John Henderson
#	Gerrymandering Incumbency 
#		(with Brian Hamel and Aaron Goldzimer)
#		April 9, 2017    
#
################################
# code edits that produced by Chen & Rodden (2013), to replicate their 2000 analysis 
#  for competitiveness outcomes                                                 
################################
# calls sims2000.R to load data for plotting

rm(list=ls())    

GetColorHexAndDecimal <- function(color)
{
  c <- col2rgb(color)
  sprintf("#%02X%02X%02X %3d %3d %3d", c[1],c[2],c[3], c[1], c[2], c[3])
}

library(stringr)  
library(foreign)

setwd("~/Dropbox/StateRedistricting/replication/short/")
source('sims2000.R')

#########################
# sd flipprob
#########################
   
sims=s01[ix_sd,] 
elections00=e00[iy_sd,]
elections02=e02[iz_sd,]

sims=as.data.frame(rbind(sims,c('MD','SLDL',1,rep(0,dim(sims)[2]-3)),
c('MN','SLDL',1,rep(0,dim(sims)[2]-3)),
c('TX','SLDL',1,rep(0,dim(sims)[2]-3)),
c('NH','SLDL',1,rep(0,dim(sims)[2]-3))))

for(j in 4:ncol(sims)){
	sims[,j]=as.numeric(sims[,j])
}

{
pdf(width=5,file='sd_2000-flip.pdf')
plot(x=-1000, y=-1000, type='n', xlim=c(-.18, 1), ylim=c(.5,20), axes=F, ylab="", xlab="")#, main=paste("Margins of Victory in House Elections\n",state,sep=""))
axis(1,at=c(0,.25,.5,.75,1),labels=c(0,.25,.5,.75,1))                                  
#cnts=0
cnts=20   

pcc=17
legend(cex=.7,y=cnts-8.018,x=.65,border=F,box.lty=1,legend=c('Enacted Plan','Simulated Plan'),	
 col=c('red',gray(.65)),lwd=c(1,1),pch=c(1,pcc),lty=c(NA,NA))

#Means and Medians
for (state in states_ix){
	cnts=cnts-1
	state.dir <- paste(charts.dir,state,sep="/") 
	temp.sims <- t(sims[sims$st==state,-c(1:3)])
	temp.00 <- elections00[elections00$st==state, -c(1:3)]
	temp.02 <- elections02[elections02$st==state, -c(1:3)]

	#order margins
	for(i in 1:nrow(temp.sims)){
		ik=which(is.na(temp.sims[i,]))
		if(length(ik)>0){
        	temp.sims[i,ik]=mean(temp.sims[i,],na.rm=T)
		}
		temp.sims[i,]=sort(temp.sims[i,])
	}
    temp.00=sort(temp.00) 	
    temp.02=sort(temp.02)

	means.sim=apply(temp.sims,1,flipPr,state,year_mins,year_maxs)     
	mean.02=flipPr(temp.02,state,year_mins,year_maxs)
	ss.dif=mean(mean.02-means.sim)+.001
      
    kl=F
	if(is.nan(ss.dif)){
		p.dif=1
		ss.dif=0
		kl=T
	} else{   
	
		if(ss.dif>0){
			p.dif=sum(mean.02<means.sim)/length(means.sim)    
		} else{                                                     
			p.dif=sum(mean.02>means.sim)/length(means.sim)    
		}
	}


	#hypothesis-test-like statistics
	#mu=mean(means.sim,na.rm=T)
	#sds=sd(means.sim,na.rm=T) 
	#s.means.sim=((means.sim-mu)/sds)
	#s.mean.02=((mean.02-mu)/sds)	
	#s.dif=mean(s.mean.02-s.means.sim)

	     
	cols='red' 
	ltys=2
	if(p.dif<.05){
		cols='red' 
		ltys=1
	}
	if(kl==F){
		points(x=means.sim, y=jitter(factor=.2,rep(cnts,length(means.sim))), col=gray(.65), lwd=1,pch=pcc,cex=.52)
		points(y=cnts, x=mean.02, col=cols, pch=1,cex=abs(ss.dif)*8+.58,lty=2) 	    
		text(col='black',adj=c(0,NA),x=.015,y=cnts,labels=paste('(',str_sub(ss.dif,1,str_locate(ss.dif,pattern='[/.]')[1]+2),')',sep=''),srt = 1, pos = 2,cex=.5)						
	} else { 
		text(col='black',adj=c(0,NA),x=.004,y=cnts,labels=paste('NA'),srt = 1, pos = 2,cex=.5)									
	}

	text(adj=c(0,NA),x=-.11,y=cnts,labels=as.character(state),srt = 1, pos = 2,cex=.65)			
}         

# lines and legend graphics
lines(col='grey',lty=2,y=c(.5,.5),x=c(-.115,1.))  
lines(col='grey',lty=2,y=c(8.5,8.5),x=c(-.115,1.))
lines(col='grey',lty=2,y=c(14.5,14.5),x=c(-.115,1.)) 
lines(col='grey',lty=2,y=c(16.5,16.5),x=c(-.115,1.)) 
lines(col='grey',lty=2,y=c(19.5,19.5),x=c(-.115,1.))                                                  

axis(2,line=-1.5,at=c(.5,8.5,14.5,16.5,19.5),labels=F,tck=-.02)

text(x=1.-.0105,y=19.,labels='Democratic',cex=.75,adj=c(1,1),srt=0)
text(x=1.-.0105,y=16.,labels='Republican',cex=.75,adj=c(1,1),srt=0)
text(x=1.-.0105,y=14.,labels='Bipartisan',cex=.75,adj=c(1,1),srt=0)
text(x=1.-.0105,y=8.,labels='Court/\nIndependent',cex=.75,adj=c(1,1),srt=0)
mtext("Proportion of Swing Year Flips",side=1,at=.5,adj=.5,line=3)    
dev.off()
}

#end  
